add iconv framework for decoding stateful encodings

assuming pointers obtained from malloc have some nonzero alignment,
repurpose the low bit of iconv_t as an indicator that the descriptor
is a stateless value representing the source and destination character
encodings.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/locale/iconv_close.c b/src/locale/iconv_close.c
index fac681cc..28b29565 100644
--- a/src/locale/iconv_close.c
+++ b/src/locale/iconv_close.c
@@ -1,6 +1,8 @@
 #include <iconv.h>
+#include <stdlib.h>
 
 int iconv_close(iconv_t cd)
 {
+	if (!((size_t)cd & 1)) free((void *)cd);
 	return 0;
 }